WO2014029126A1 - 无边框液晶显示装置 - Google Patents

无边框液晶显示装置 Download PDF

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Publication number
WO2014029126A1
WO2014029126A1 PCT/CN2012/080743 CN2012080743W WO2014029126A1 WO 2014029126 A1 WO2014029126 A1 WO 2014029126A1 CN 2012080743 W CN2012080743 W CN 2012080743W WO 2014029126 A1 WO2014029126 A1 WO 2014029126A1
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WO
WIPO (PCT)
Prior art keywords
liquid crystal
crystal display
plastic frame
display panel
suction cup
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2012/080743
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English (en)
French (fr)
Inventor
俞刚
杨流洋
贾沛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TCL China Star Optoelectronics Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Priority to US13/642,119 priority Critical patent/US8836886B2/en
Priority to DE112012006834.3T priority patent/DE112012006834T5/de
Publication of WO2014029126A1 publication Critical patent/WO2014029126A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/46—Fixing elements

Definitions

  • the present invention relates to a display device, and more particularly to a frameless liquid crystal display device. Background technique
  • Liquid crystal display has many advantages such as thin body, power saving, and no radiation, and has been widely used.
  • Most of the liquid crystal display devices on the market are backlight type liquid crystal display devices, which include a liquid crystal display panel and a backlight module.
  • the working principle of the liquid crystal display panel is to place liquid crystal molecules in two parallel glass substrates, control the liquid crystal molecules to change direction by energizing or not the glass substrate, and refract the light of the backlight module to produce a picture.
  • the liquid crystal display device generally includes a rear case, a front case disposed in cooperation with the rear case, a backlight module disposed in the rear case, a plastic frame disposed on the backlight module, and a liquid crystal display panel disposed on the plastic frame.
  • the plastic frame is used to carry the liquid crystal display panel
  • the front case is used to fix the liquid crystal display panel.
  • the liquid crystal display panel includes a color filter substrate (CF, Color Filter), a thin film transistor substrate (TFT, Thin Film Transistor), a liquid crystal (LC, liquid crystal) sandwiched between the color filter substrate and the thin film transistor substrate, and a sealant frame. ( Sealant), a gap position is formed at an edge of the CF substrate and the TFT substrate for electrically connecting an external device, thereby driving the liquid crystal display panel.
  • CF color Filter
  • TFT Thin Film Transistor
  • LC liquid crystal
  • the liquid crystal display device gradually becomes narrower and framed, and further develops toward the frameless direction, and the fixing mode of the liquid crystal display panel of the frameless liquid crystal display device has become a major issue today.
  • FIG. 1 is a schematic structural diagram of a conventional frameless liquid crystal display device, including: a rear case 100, a backlight module 300 disposed in the rear case, and a backlight module and fixedly connected to the rear case 100.
  • the plastic frame 500 and the liquid crystal display panel 700 disposed on the plastic frame 500, the liquid crystal display panel and the plastic frame 500 are bonded together by the double-sided tape 900, and passed through the surface finishing material 110 to the CF of the liquid crystal display panel 700 (Color Filter)
  • the liquid crystal display panel 700 is further fixed at a gap position 724 formed between the substrate 702 and the TFT (Thin Film Transistor) substrate 704, thereby realizing the fixing of the liquid crystal display panel of the frameless liquid crystal display device.
  • TFT Thin Film Transistor
  • the adhesive of the double-sided tape 900 is required to be sufficiently strong.
  • this causes the double-sided tape 900 to be removed when the liquid crystal display panel 700 is removed. It is difficult to remove, which may damage the liquid crystal display panel 700, causing huge losses, thereby increasing maintenance costs.
  • the present invention provides a frameless liquid crystal display device, including: a back cover, a backlight module disposed in the rear case, a plastic frame disposed on the backlight module and fixedly connected to the rear case, and being disposed on the glue a liquid crystal display panel, the upper end of the liquid crystal display panel is connected to the plastic frame by a plurality of vacuum chucks, the vacuum chuck comprises a suction cup end and a handle end, and the suction end end absorbs a non-display area on the back surface of the liquid crystal display panel, and the handle end passes The screw is fixed on the plastic frame, and the upper end of the liquid crystal display panel is fixed on the plastic frame.
  • the liquid crystal display panel includes a CF substrate and a TFT substrate disposed on the CF substrate, and the lower side of the CF substrate and the TFT substrate are formed. In the difference position, one side of the decorative material is pressed into the gap position, and is fixed on the plastic frame, and then the liquid crystal display panel is assembled on the plastic frame.
  • the plastic frame is provided with a corresponding through hole corresponding to the end of the vacuum chuck, and a pad is arranged between the end of the vacuum chuck and the screw.
  • a reverse valve is disposed in the vacuum chuck, and the vacuum in the vacuum chuck can be removed by screwing the vacuum chuck to the vacuum chuck to be adsorbed on the back surface of the liquid crystal display panel.
  • the plurality of vacuum chucks are evenly distributed on the back non-display area of the liquid crystal display panel.
  • the plastic frame is connected to the rear case by a screw lock.
  • the finishing material is connected to the plastic frame by a screw lock.
  • a cushion is disposed between the liquid crystal display panel and the plastic frame.
  • the upper surface of the finish material and the upper surface of the CF substrate are in the same plane.
  • a buffer structure is disposed between the surface finishing material and the liquid crystal display panel.
  • the present invention also provides a frameless liquid crystal display device, comprising: a back cover, a backlight module disposed in the rear case, a plastic frame disposed on the backlight module and fixedly connected to the rear case, and a liquid crystal disposed on the plastic frame a display panel, the upper end of the liquid crystal display panel is connected to the plastic frame by a plurality of vacuum suction cups, the vacuum suction cup includes a suction cup end and a shank end, and the suction cup end absorbs a non-display area on the back surface of the liquid crystal display panel, and the shank end is fixed by a screw lock Further, the upper end of the liquid crystal display panel is fixed on the plastic frame, and the liquid crystal display panel includes a CF substrate and a TFT substrate disposed on the CF substrate, and a defect position is formed on the lower side of the CF substrate and the TFT substrate.
  • the decorative material is pressed into the gap position, and is fixed on the plastic frame, and the liquid crystal display panel is assembled on the plastic frame;
  • the plastic frame is provided with a corresponding through hole corresponding to the end of the vacuum chuck, and the vacuum chuck has a handle end and a mat between the screws;
  • the vacuum suction cup is provided with a reverse valve, and the screw in the vacuum suction cup can eliminate the air in the vacuum suction cup to adsorb the vacuum suction cup on the back surface of the liquid crystal display panel;
  • the plurality of vacuum chucks are evenly distributed on the back surface of the liquid crystal display panel; wherein the plastic frame is connected to the rear shell by a screw lock;
  • finishing material is connected to the plastic frame by screwing
  • a buffer pad is disposed between the liquid crystal display panel and the plastic frame;
  • the upper surface of the surface finishing material and the upper surface of the CF substrate are located in the same plane; wherein a buffer structure is disposed between the surface finishing material and the liquid crystal display panel.
  • the frameless liquid crystal display device provided by the present invention absorbs the upper end of the liquid crystal display panel by a vacuum chuck and is fixed on the plastic frame by a screw-locking vacuum suction cup, and the lower end of the liquid crystal display panel is provided with a defect position by the surface decoration material. Pressing and fixing on the plastic frame, and then detachably mounting the liquid crystal display panel on the plastic frame to realize the fixing of the liquid crystal display panel of the frameless liquid crystal display device, the structure of the liquid crystal display panel is simple, the installation is convenient, and the liquid crystal display panel needs to be repaired or When replacing, it is easy to disassemble and effectively reduce maintenance costs.
  • FIG. 1 is a schematic structural view of a conventional frameless liquid crystal display device
  • FIG. 2 is a schematic structural view of a frameless liquid crystal display device of the present invention.
  • Figure 3 is a partial enlarged view of A in Figure 2;
  • FIG. 4 is a schematic view showing a through hole corresponding to a vacuum chuck on the plastic frame of the present invention. detailed description
  • the present invention provides a frameless liquid crystal display device, including: a rear case 2, a backlight module 4 disposed in the rear case 2, and a backlight module 4 fixedly connected to the rear case 2
  • the plastic frame 6 and the liquid crystal display panel 8 are disposed on the plastic frame 6.
  • the plastic frame 6 is connected. It is fixedly connected to the rear case 2 by a screw lock.
  • the upper end of the liquid crystal display panel 8 is connected to the plastic frame 6 through a vacuum chuck 3, and the vacuum chuck 3 includes a suction cup end 32 and a shank end 34.
  • the suction end 32 of the vacuum chuck 3 absorbs the non-display area on the back side of the liquid crystal display panel 8.
  • the shank end 34 is fixedly fastened to the plastic frame 6 by the screw 36.
  • the plastic frame 6 is provided with a corresponding through hole 66 corresponding to the shank end 34 of the vacuum chuck 3, and a pad 38 is disposed between the shank end 34 of the vacuum chuck 3 and the screw 36.
  • the vacuum chuck 3 is provided with a reverse valve (not shown) for fixing between the plastic frame 6 and the vacuum chuck 3.
  • the screwing of the screw can eliminate the air in the suction end 32 of the vacuum chuck 3, so that the vacuum chuck 3 is adsorbed to the liquid crystal.
  • the upper end of the liquid crystal display panel 8 is further fixed to the plastic frame 6, and a plurality of vacuum chucks 3 can be uniformly distributed on the back non-display area of the liquid crystal display panel 8.
  • four vacuum chucks 3 can be used.
  • the liquid crystal display panel 8 includes a CF substrate 82 and a TFT substrate 84 that is bonded to the CF substrate 82, and an upper polarizer 86 and a lower polarizer 88 that are bonded to the CF substrate 82 and the TFT substrate 84, respectively.
  • a gap position 824 is formed on the lower side of the TFT substrate 84.
  • the top surface material 9 is pressed against the gap position 824, and is fixed to the plastic frame 6 by screwing, thereby bringing the liquid crystal display panel 8 closer to the fault position 824. Fixed to the plastic frame. Further, the liquid crystal display panel 8 is completely fixed to the plastic frame 6, and the plastic frame 6 is fixed to the rear case 2 by screws, thereby assembling a complete frameless liquid crystal display device.
  • the upper surface 92 of the finishing material 9 and the upper surface 822 of the CF substrate 82 are in the same plane, thereby making the liquid crystal display device have good ornamental properties.
  • a cushion 68 is disposed between the liquid crystal display panel 8 and the plastic frame 6, and a buffer structure 98 is disposed between the surface material 9 and the liquid crystal display panel 8.
  • the specific shape of the cushion 68 and the cushioning structure 98 can be differently set according to different needs.
  • the shank end 34 of the vacuum chuck 3 can be first passed through the through hole 66 in the plastic frame 6, and then the suction end 32 of the vacuum chuck 3 is pressed against the non-display area of the upper end of the liquid crystal display panel 8, and the screw 36 is tightened.
  • the vacuum chuck 3 is adsorbed on the liquid crystal display panel 8, and the upper end of the liquid crystal display panel 8 is fixed on the plastic frame 6.
  • the surface decoration material 9 is placed at the gap position 824 of the liquid crystal display panel 8, and the lower side plastic frame is placed.
  • the backlight module 4 includes a back plate 42 , a backlight 44 disposed in the back plate 42 , a reflective sheet 46 disposed in the back plate 42 , a light guide plate 48 disposed on the reflective sheet 46 , and a light guide plate 48 .
  • Light Film group 49 is
  • the backplane 42 includes a bottom plate 422 and a side plate 424 connected to the bottom plate 422.
  • the backlight 44 is mounted on the side plate 424, and the reflective sheet 46 is disposed on the bottom plate 422.
  • a heat sink 442 is further disposed between the backlight 44 and the side plate 424 of the back plate 42.
  • the backlight 44 is attached to the heat sink 442 by a heat dissipating glue (not shown), and the heat sink 442 passes through The heat-dissipating glue is glued or screwed to the side plate 424 of the back plate 42 to fix the backlight 44 to the side plate 424 of the back plate 42.
  • the backlight 44 is a linear light source, preferably an LED light strip, which emits light, a portion directly enters the light guide plate 48 through the light incident surface of the light guide plate 48, and another portion is reflected by the reflective sheet 49 and enters the light guide plate 48.
  • the light plate 48 propagates inside, and total reflection, refraction, and the like occur at the same time, thereby providing a uniform surface light source for the liquid crystal display panel 8.
  • the liquid crystal display panel 8 further includes a liquid crystal (not shown) provided between the CF substrate 82 and the TFT substrate 84.
  • the surface light source provided by the backlight module 4 is polarized by the lower polarizer 88, and then refracted by the liquid crystal molecules, and finally polarized by the upper polarizer 86, and then transmitted through the liquid crystal display panel 8, thereby realizing the screen display.
  • the present invention provides a frameless liquid crystal display device that adsorbs the upper end of the liquid crystal display panel through a vacuum chuck and is fixed on the plastic frame by a screw-locking vacuum chuck, and the position of the gap at the lower end of the liquid crystal display panel is pressed by the surface material.
  • the liquid crystal display panel is detachably mounted on the plastic frame, thereby fixing the liquid crystal display panel of the frameless liquid crystal display device, and the structure is simple and easy to install, and the liquid crystal display panel needs to be repaired or replaced. When it is convenient to disassemble, it can effectively reduce maintenance costs.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Description

无边框液晶显示装置 技术领域
本发明涉及一种显示装置， 尤其涉及一种无边框液晶显示装置。 背景技术
液晶显示装置（LCD, Liquid Crystal Display )具有机身薄、 省电、 无 辐射等众多优点， 得到了广泛的应用。 现有市场上的液晶显示装置大部分 为背光型液晶显示装置， 其包括液晶显示面板及背光模组 （backlight module ) 。 液晶显示面板的工作原理是在两片平行的玻璃基板当中放置液 晶分子， 通过玻璃基板通电与否来控制液晶分子改变方向， 将背光模组的 光线折射出来产生画面。
所述液晶显示装置一般包括： 后壳、 与后壳配合设置的前壳、 设于后 壳内的背光模组、 设于背光模组上的胶框及设于胶框上的液晶显示面板， 其中， 胶框用于承载液晶显示面板， 前壳用于固定液晶显示面板。
所述液晶显示面板包括彩膜基板（CF, Color Filter ) 、 薄膜晶体管基 板（TFT, Thin Film Transistor), 夹于彩膜基板与薄膜晶体管基板之间的液 晶 （LC, Liquid Crystal )及密封胶框 ( Sealant ) , 该 CF基板与 TFT基板 的边缘处形成有一断差位置， 用于电性连接外部设备， 进而驱动液晶显示 面板。
随着液晶显示装置生产技术不断的发展， 液晶显示装置逐步趋向窄边 框化， 进一步向无边框方向发展， 而无边框液晶显示装置的液晶显示面板 的固定方式， 成为当今的一大课题。
请参阅图 1 , 为现有的无边框液晶显示装置的结构示意图， 其包括： 后壳 100、 设于后壳内的背光模组 300、 设于背光模组上并固定连接于后 壳 100的胶框 500及设于胶框 500上的液晶显示面板 700, 其液晶显示面 板与胶框 500通过双面胶 900贴合在一起， 并通过面饰材料 110于液晶显 示面板 700 的 CF ( Color Filter , 彩膜）基板 702 与 TFT ( Thin Film Transistor, 薄膜晶体管）基板 704之间形成的断差位置 724处对液晶显示 面板 700进行进一步固定， 进而实现无边框液晶显示装置的液晶显示面板 的固定。
为了能牢固固定液晶显示面板 700于胶框 500上， 需要其双面胶 900 的粘性足够强， 然而， 这就导致， 液晶显示面板 700拆卸时， 双面胶 900 不易去除， 进而可能损坏液晶显示面板 700, 造成巨大损失， 进而增加了 维修成本。 发明内容
本发明的目的在于提供一种无边框液晶显示装置， 结构筒单， 易组 装， 且能有效降低维修成本。
为实现上述目的， 本发明提供一种无边框液晶显示装置， 包括： 后 壳、 设于后壳内的背光模组、 设于背光模组上且与后壳固定连接的胶框及 设于胶框上的液晶显示面板， 所述液晶显示面板上端通过数个真空吸盘与 胶框连结， 所述真空吸盘包括吸盘端和柄端， 所述吸盘端吸附液晶显示面 板背面非显示区域， 柄端通过螺釘锁合固定于胶框上， 进而将液晶显示面 板上端固定于胶框上， 所述液晶显示面板包括 CF基板及与 CF基板贴合 设置的 TFT基板， 在 CF基板与 TFT基板下侧形成断差位置， 一面饰材料 压合于该断差位置， 并固定于胶框上， 进而将液晶显示面板组装于胶框 上。
所述胶框对应真空吸盘柄端设有相应的通孔， 真空吸盘柄端与螺釘之 间设有垫圏。
所述真空吸盘内设有反向阀， 通过螺釘的拧紧可排除真空吸盘内的空 气使真空吸盘吸附于液晶显示面板背面。
所述数个真空吸盘均匀分布于液晶显示面板背面非显示区域。
所述胶框通过螺釘锁合连接于后壳上。
所述面饰材料通过螺釘锁合连接于胶框上。
所述液晶显示面板与胶框之间设有緩沖垫。
所述面饰材料的上表面和 CF基板的上表面位于同一平面内。
所述面饰材料与液晶显示面板之间设有緩沖结构。
本发明还提供一种无边框液晶显示装置， 包括： 后壳、 设于后壳内的 背光模组、 设于背光模组上且与后壳固定连接的胶框及设于胶框上的液晶 显示面板， 所述液晶显示面板上端通过数个真空吸盘与胶框连结， 所述真 空吸盘包括吸盘端和柄端， 所述吸盘端吸附液晶显示面板背面非显示区 域， 柄端通过螺釘锁合固定于胶框上， 进而将液晶显示面板上端固定于胶 框上， 所述液晶显示面板包括 CF基板及与 CF基板贴合设置的 TFT基 板， 在 CF基板与 TFT基板下侧形成断差位置， 一面饰材料压合于该断差 位置， 并固定于胶框上， 进而将液晶显示面板组装于胶框上；
其中， 所述胶框对应真空吸盘柄端设有相应的通孔， 真空吸盘柄端与 螺釘之间设有垫圏；
其中， 所述真空吸盘内设有反向阀， 通过螺釘的拧紧可排除真空吸盘 内的空气使真空吸盘吸附于液晶显示面板背面；
其中， 所述数个真空吸盘均匀分布于液晶显示面板背面非显示区域； 其中， 所述胶框通过螺釘锁合连接于后壳上；
其中， 所述面饰材料通过螺釘锁合连接于胶框上；
其中， 所述液晶显示面板与胶框之间设有緩沖垫；
其中， 所述面饰材料的上表面和 CF基板的上表面位于同一平面内； 其中， 所述面饰材料与液晶显示面板之间设有緩沖结构。
本发明的有益效果： 本发明提供的无边框液晶显示装置， 其通过真空 吸盘吸附液晶显示面板上端并由螺釘锁合真空吸盘固定于胶框上， 液晶显 示面板下端设置断差位置由面饰材料压合固定于胶框上， 进而将液晶显示 面板可拆卸安装于胶框上， 实现无边框液晶显示装置液晶显示面板的固 定， 其结构筒单， 安装方便， 在需要对液晶显示面板进行维修或更换时， 方便拆卸， 有效降低维修成本。
为了能更进一步了解本发明的特征以及技术内容， 请参阅以下有关本 发明的详细说明与附图， 然而附图仅提供参考与说明用， 并非用来对本发 明加以限制。 附图说明
下面结合附图， 通过对本发明的具体实施方式详细描述， 将使本发明 的技术方案及其它有益效果显而易见。
附图中，
图 1为现有的无边框液晶显示装置的结构示意图；
图 2为本发明无边框液晶显示装置的结构示意图；
图 3为图 2中 A的局部放大图；
图 4为本发明胶框上对应真空吸盘设置通孔的示意图。 具体实施方式
为更进一步阐述本发明所采取的技术手段及其效果， 以下结合本发明 的优选实施例及其附图进行详细描述。
参阅图 2 至图 4, 本发明提供一种无边框液晶显示装置， 包括： 后壳 2、 设于后壳 2内的背光模组 4、 设于背光模组 4上且与后壳 2固定连接的 胶框 6及设于胶框 6上的液晶显示面板 8, 在本实施例中， 所述胶框 6通 过螺釘锁合固定连接于后壳 2上。
所述液晶显示面板 8的上端通过真空吸盘 3与胶框 6连结， 所述真空 吸盘 3包括吸盘端 32和柄端 34, 该真空吸盘 3的吸盘端 32吸附液晶显示 面板 8背面非显示区域， 柄端 34通过螺釘 36锁合固定于胶框 6上， 胶框 6对应真空吸盘 3柄端 34设有相应通孔 66, 真空吸盘 3的柄端 34与螺釘 36之间设有一垫圏 38用于胶框 6与真空吸盘 3之间的固定， 真空吸盘 3 内设有一反向阀 （未图示） ， 通过螺釘的拧紧可排除真空吸盘 3吸盘端 32 内的空气使真空吸盘 3吸附于液晶显示面板 8上， 进而将液晶显示面板 8 上端固定于胶框 6上， 可采用多个真空吸盘 3均匀分布于液晶显示面板 8 的背面非显示区域， 优选的， 可采用 4个真空吸盘 3。
所述液晶显示面板 8 包括 CF基板 82及与 CF基板 82贴合设置的 TFT基板 84及分别贴合于该 CF基板 82与 TFT基板 84的上偏光片 86及 下偏光片 88, 在 CF基板 82与 TFT基板 84下侧形成断差位置 824, —面 饰材料 9压合于该断差位置 824, 并通过螺釘锁合固定于胶框 6上， 进而 将液晶显示面板 8靠近断差位置 824端固定于胶框上。 进而将液晶显示面 板 8完全固定于胶框 6上， 而该胶框 6又通过螺釘固定于后壳 2上， 进而 组装成一完整的无边框液晶显示装置。
优选的， 所述面饰材料 9的上表面 92和 CF基板 82的上表面 822位 于同一平面内， 进而使得液晶显示装置具有好的观赏性。
为了保护液晶显示面板 8, 可在所述液晶显示面板 8与胶框 6之间设 有緩沖垫 68 , 在所述面饰材料 9 与液晶显示面板 8 之间设有緩沖结构 98。
该緩沖垫 68 与緩沖结构 98 具体形状可根据不同需要而进行不同设 置。
组装时， 可先将真空吸盘 3的柄端 34穿过胶框 6上的通孔 66, 再将 真空吸盘 3 的吸盘端 32贴靠在液晶显示面板 8的上端非显示区域， 将螺 釘 36拧紧使真空吸盘 3吸附于液晶显示面板 8上， 进而固定液晶显示面 板 8上端于胶框 6上， 将面饰材料 9置于液晶显示面板 8的断差位置 824 处， 再将下侧的胶框 6 置于背光模组 4上， 用螺釘将背光模组 4 的背板 42、 胶框 6及面饰材料 9锁合在一起， 进而将液晶显示面板 8下侧固定于 胶框 6上， 最后将后壳 2通过螺釘与胶框 6锁合固定， 进而完成无边框液 晶显示装置的组装。
所述背光模组 4包括背板 42、 设于背板 42内的背光源 44、 设于背板 42内的反射片 46、 设于反射片 46上的导光板 48及设于导光板 48上的光 学膜片组 49。
所述背板 42包括底板 422及连接于底板 422的侧板 424, 所述背光源 44安装于侧板 424上， 所述反射片 46设于底板 422上。 优选的， 所述背 光源 44与背板 42侧板 424之间还设有散热片 442, 所述背光源 44通过散 热胶（未图示）贴合于散热片 442上， 该散热片 442通过散热胶贴合或螺 釘锁合于背板 42侧板 424上， 进而将背光源 44 固定于背板 42侧板 424 上。
所述背光源 44为线性光源， 优选 LED灯条， 其发出光线， 一部分直 接通过导光板 48的入光面进入导光板 48 内， 另一部分通过反射片 49反 射后进入导光板 48 , 光线在导光板 48 内传播， 同时发生全反射、 折射 等， 进而为液晶显示面板 8提供均匀的面光源。
所述液晶显示面板 8还包括设于 CF基板 82与 TFT基板 84之间的液 晶 （未图示） 。
背光模组 4提供的面光源， 经由下偏光片 88偏正后， 再通过液晶分 子发生折射， 最后再经由上偏光片 86偏正后由液晶显示面板 8透出， 进 而实现画面显示。
综上所述， 本发明提供的无边框液晶显示装置， 其通过真空吸盘吸附 液晶显示面板上端并由螺釘锁合真空吸盘固定于胶框上， 液晶显示面板下 端设置断差位置由面饰材料压合固定于胶框上， 进而将液晶显示面板可拆 卸安装于胶框上， 实现无边框液晶显示装置液晶显示面板的固定， 其结构 筒单， 安装方便， 在需要对液晶显示面板进行维修或更换时， 方便拆卸， 有效降低维修成本。
以上所述， 对于本领域的普通技术人员来说， 可以根据本发明的技术 方案和技术构思作出其他各种相应的改变和变形， 而所有这些改变和变形 都应属于本发明权利要求的保护范围。

Claims

权 利 要 求
1、 一种无边框液晶显示装置， 包括： 后壳、 设于后壳内的背光模 组、 设于背光模组上且与后壳固定连接的胶框及设于胶框上的液晶显示面 板， 所述液晶显示面板上端通过数个真空吸盘与胶框连结， 所述真空吸盘 包括吸盘端和柄端， 所述吸盘端吸附液晶显示面板背面非显示区域， 柄端 通过螺釘锁合固定于胶框上， 进而将液晶显示面板上端固定于胶框上， 所 述液晶显示面板包括 CF基板及与 CF基板贴合设置的 TFT基板， 在 CF 基板与 TFT基板下侧形成断差位置， 一面饰材料压合于该断差位置， 并固 定于胶框上， 进而将液晶显示面板组装于胶框上。
2、 如权利要求 1 所述的无边框液晶显示装置， 其中， 所述胶框对应 真空吸盘柄端设有相应的通孔， 真空吸盘柄端与螺釘之间设有垫圏。
3、 如权利要求 1 所述的无边框液晶显示装置， 其中， 所述真空吸盘 内设有反向阀， 通过螺釘的拧紧可排除真空吸盘内的空气使真空吸盘吸附 于液晶显示面板背面。
4、 如权利要求 1 所述的无边框液晶显示装置 ， 其中， 所述数个真空 吸盘均匀分布于液晶显示面板背面非显示区域。
5、 如权利要求 1 所述的无边框液晶显示装置， 其中， 所述胶框通过 螺釘锁合连接于后壳上。
6、 如权利要求 1 所述的无边框液晶显示装置， 其中， 所述面饰材料 通过螺釘锁合连接于胶框上。
7、 如权利要求 1 所述的无边框液晶显示装置， 其中， 所述液晶显示 面板与胶框之间设有緩沖垫。
8、 如权利要求 1 所述的无边框液晶显示装置， 其中， 所述面饰材料 的上表面和 CF基板的上表面位于同一平面内。
9、 如权利要求 1 所述的无边框液晶显示装置， 其中， 所述面饰材料 与液晶显示面板之间设有緩沖结构。
10、 一种无边框液晶显示装置， 包括： 后壳、 设于后壳内的背光模 组、 设于背光模组上且与后壳固定连接的胶框及设于胶框上的液晶显示面 板， 所述液晶显示面板上端通过数个真空吸盘与胶框连结， 所述真空吸盘 包括吸盘端和柄端， 所述吸盘端吸附液晶显示面板背面非显示区域， 柄端 通过螺釘锁合固定于胶框上， 进而将液晶显示面板上端固定于胶框上， 所 述液晶显示面板包括 CF基板及与 CF基板贴合设置的 TFT基板， 在 CF 基板与 TFT基板下侧形成断差位置， 一面饰材料压合于该断差位置， 并固 定于胶框上， 进而将液晶显示面板组装于胶框上；
其中， 所述胶框对应真空吸盘柄端设有相应的通孔， 真空吸盘柄端与 螺釘之间设有垫圏；
其中， 所述真空吸盘内设有反向阀， 通过螺釘的拧紧可排除真空吸盘 内的空气使真空吸盘吸附于液晶显示面板背面；
其中， 所述数个真空吸盘均匀分布于液晶显示面板背面非显示区域； 其中， 所述胶框通过螺釘锁合连接于后壳上；
其中， 所述面饰材料通过螺釘锁合连接于胶框上；
其中， 所述液晶显示面板与胶框之间设有緩沖垫；
其中， 所述面饰材料的上表面和 CF基板的上表面位于同一平面内； 其中， 所述面饰材料与液晶显示面板之间设有緩沖结构。
PCT/CN2012/080743 2012-08-21 2012-08-30 无边框液晶显示装置 Ceased WO2014029126A1 (zh)

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